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    <center>Scilab Function</center>
    <div align="right">Last update : April 1993</div>
    <p>
      <b>xtape</b> -  set up the record process of graphics</p>
    <h3>
      <font color="blue">Calling Sequence</font>
    </h3>
    <dl>
      <dd>
        <tt>xtape(str,[num,rect])  </tt>
      </dd>
    </dl>
    <h3>
      <font color="blue">Parameters</font>
    </h3>
    <ul>
      <li>
        <tt>
          <b>str</b>
        </tt>: string, "on", "clear", "replay" or "replaysc".</li>
      <li>
        <tt>
          <b>num</b>
        </tt>: integer.</li>
      <li>
        <tt>
          <b>rect</b>
        </tt>: row vector of size 4.</li>
    </ul>
    <h3>
      <font color="blue">Description</font>
    </h3>
    <p>
      <tt>
        <b>xtape</b>
      </tt> is used to set up the record process of graphics:</p>
    <p>
    xtape("on") 
    just selects the driver "Rec" which records all the 
    graphics operations.</p>
    <p>
    xtape("clear",num) 
    clears the graphics window <tt>
        <b>num</b>
      </tt> and clears the recorded 
    graphics associated with window <tt>
        <b>num</b>
      </tt>.</p>
    <p>
    xtape("replay",num) 
    redisplays all the recorded
    graphics in the window <tt>
        <b>num</b>
      </tt>.</p>
    <p>
    xtape("replaysc",num,rect) replots the graphics window <tt>
        <b>num</b>
      </tt>
    using <tt>
        <b>rect=[xmin,ymin,xmax,ymax]</b>
      </tt> as x and y bounds.</p>
    <h3>
      <font color="blue">See Also</font>
    </h3>
    <p>
      <a href="driver.htm">
        <tt>
          <b>driver</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="replot.htm">
        <tt>
          <b>replot</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="xbasc.htm">
        <tt>
          <b>xbasc</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="xbasr.htm">
        <tt>
          <b>xbasr</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
    <h3>
      <font color="blue">Author</font>
    </h3>
    <p>J.Ph.C.  </p>
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